短語詞組短語Photon beam position monitoring 光斑位置監(jiān)測beam tube monitoring system 束琯監(jiān)測系統(tǒng)beam tube monitoring systems 束琯監(jiān)測系統(tǒng)beam position monitoring 光斑位置監(jiān)測beam steering monitoring 波控監(jiān)測beam tube monitoring 束琯監(jiān)測monitoring beam 射束偵測 返回 beam monitoring